Across
- 3. Which ventricle pumps oxygenated blood to the body?
- 5. Where do the coronary arteries originate?
- 7. What is the sac that surrounds the heart called?
- 10. what is the cardiac vein that drains blood back to the heart?
Down
- 1. Which veins drains oxygenated blood?
- 2. What is the wall that divides the chambers of the heart.
- 4. How many valves are in the heart?
- 6. Where does the conduction system start?
- 8. Which artery reaches the apex of the heart?
- 9. What is the thickest muscle of the heart?